INTERNATIONAL CONVENTIONS 339
ratified, and this precedent opened the way for more prompt ratification of the Buenos Aires convention.
The United States, as a party only to the Pan United American Union and not a member of the Inter- States in- national Copyright Union under the Berne-Berlin reUtions* conventions, has not secured for its citizens general rights of copyright in other countries, without repeti- tion of formalities, and such rights are secured only in the countries designated by Presidential proclama- tion and according to the formalities of their domes- tic legislation. It seems, however, that citizens of the United States may obtain general protection throughout the unionist countries by publishing in a unionist country simultaneously with first publication in the United States, and thus coming under the protective provisions of the Berlin convention. The Mexico convention permits citizens of the United States to obtain copyright in other countries rati- fying that convention, by deposit at Washington of extra copies for transmission to countries designated, with certified copy of the registration. When the Buenos Aires convention is ratified by other powers nothing more will then be required than the usual application and deposit at Washington and notice of the reservation of rights, preferably in connection with the copyright notice, of which "all rights re- served for all countries" is the most comprehensive form.
Under section 8 of the act of 1891, the President "Pro- " proclaimed " from time to time the existence of recip- claimed" rocal relations with other countries, which permitted *'°"° '®^ their citizens to obtain copyright in the United States under the act, and American citizens to obtain pro- tection under their respective copyright laws. The question of the status of these countries under the act of 1909 was solved by the proclamation of the